neoplasm

名词 neoplasm:

1. an abnormal new mass of tissue that serves no purpose
   同义词：tumor, tumour

ne.o.plasm

n.（名词）
An abnormal new growth of tissue in animals or plants; a tumor.
瘤：动物或植物体内组织的异常新生物；肿瘤

【引伸】
ne.oplas.tic